Macquarie Island non-native plant survey shapefiles 2010-11

Data from the Macquarie Island non-native plant survey was consolidated into 1km grid squares. Data are provided on the presence and abundance of Stellaria media, Cerastium fontanum, Poa annua on both the contemporary 1km grid, and the historical Tasmanian Parks and Wildlife Service grid.Stellaria media, Cerastium fontanum and Poa annua are invasive species found on Macquarie Island. They are common and widespread weeds, inhabiting disturbed areas around penguin colonies, seal wallows, and tracks, and can displace native species.